| WDS: | STT527 | WDS ID/Discoverer |
| P: | 561.150 | Orbital period (years) |
| a: | 0.5576 | Semi-major axis (arcseconds) |
| i: | 117.09 | Inclination (degrees) |
| Ω: | 91.3 | Longitude of ascending node (degrees) |
| T: | 1950.180 | Epoch of periastron passage (year) |
| e: | 0.4192 | Eccentricity |
| ω: | 240.24 | Longitude of periastron (degrees) |
| Start-Year: | 1744.425 | Year |
| End-Year: | 2305.575 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STT527 |
||
| Position: | 210800.68+050906.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21080+0509 | WDS designation |
| Discoverer Code: | STT527 | Discover designation and components |
| ADS number: | 14666 | Aitken Double Star catalog |
| HD number: | 201221 | HD catalog number |
| Hipparcos number: | 104324 | Hipparcos catalog number |
| V1: | 7.14 | Magnitude of the primary |
| V2: | 8.14 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1987 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Pop1995d | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.455 102.10 -------------------------- 1744.42 0.352 17.10 1745.42 0.351 16.43 1746.42 0.349 15.76 1747.42 0.348 15.08 1748.42 0.347 14.40 1749.42 0.346 13.71 1750.42 0.344 13.02 1751.42 0.343 12.32 1752.42 0.342 11.62 1753.42 0.341 10.91 1754.42 0.340 10.19 1755.42 0.339 9.48 1756.42 0.337 8.76 1757.42 0.336 8.03 1758.42 0.336 7.30 1759.42 0.335 6.56 1760.42 0.334 5.83 1761.42 0.333 5.08 1762.42 0.332 4.34 1763.42 0.331 3.59 1764.42 0.330 2.83 1765.42 0.330 2.08 1766.42 0.329 1.32 1767.42 0.328 0.55 1768.42 0.328 359.79 1769.42 0.327 359.02 1770.42 0.327 358.25 1771.42 0.326 357.47 1772.42 0.326 356.70 1773.42 0.325 355.92 1774.42 0.325 355.14 1775.42 0.325 354.36 1776.42 0.325 353.58 1777.42 0.324 352.79 1778.42 0.324 352.01 1779.42 0.324 351.22 1780.42 0.324 350.44 1781.42 0.324 349.65 1782.42 0.324 348.86 1783.42 0.324 348.08 1784.42 0.324 347.29 1785.42 0.324 346.50 1786.42 0.324 345.72 1787.42 0.324 344.93 1788.42 0.324 344.15 1789.42 0.325 343.37 1790.42 0.325 342.59 1791.42 0.325 341.81 1792.42 0.326 341.03 1793.42 0.326 340.25 1794.42 0.327 339.48 1795.42 0.327 338.70 1796.42 0.327 337.93 1797.42 0.328 337.17 1798.42 0.329 336.40 1799.42 0.329 335.64 1800.42 0.330 334.88 1801.42 0.331 334.12 1802.42 0.331 333.37 1803.42 0.332 332.62 1804.42 0.333 331.87 1805.42 0.334 331.13 1806.42 0.334 330.39 1807.42 0.335 329.66 1808.42 0.336 328.93 1809.42 0.337 328.20 1810.42 0.338 327.48 1811.42 0.339 326.76 1812.42 0.340 326.04 1813.42 0.341 325.33 1814.42 0.342 324.62 1815.42 0.343 323.92 1816.42 0.344 323.22 1817.42 0.346 322.53 1818.42 0.347 321.84 1819.42 0.348 321.16 1820.42 0.349 320.48 1821.42 0.350 319.80 1822.42 0.351 319.13 1823.42 0.353 318.47 1824.42 0.354 317.81 1825.42 0.355 317.15 1826.42 0.356 316.50 1827.42 0.358 315.85 1828.42 0.359 315.21 1829.42 0.360 314.57 1830.42 0.362 313.94 1831.42 0.363 313.31 1832.42 0.364 312.69 1833.42 0.366 312.07 1834.42 0.367 311.45 1835.42 0.368 310.84 1836.42 0.370 310.24 1837.42 0.371 309.63 1838.42 0.372 309.04 1839.42 0.374 308.44 1840.42 0.375 307.85 1841.42 0.376 307.27 1842.42 0.378 306.69 1843.42 0.379 306.11 1844.42 0.380 305.54 1845.42 0.381 304.97 1846.42 0.383 304.41 1847.42 0.384 303.85 1848.42 0.385 303.29 1849.42 0.387 302.73 1850.42 0.388 302.18 1851.42 0.389 301.64 1852.42 0.390 301.09 1853.42 0.391 300.55 1854.42 0.393 300.02 1855.42 0.394 299.49 1856.42 0.395 298.95 1857.42 0.396 298.43 1858.42 0.397 297.90 1859.42 0.398 297.38 1860.42 0.399 296.86 1861.42 0.400 296.35 1862.42 0.401 295.83 1863.42 0.402 295.32 1864.42 0.403 294.81 1865.42 0.404 294.31 1866.42 0.405 293.80 1867.42 0.406 293.30 1868.42 0.406 292.80 1869.42 0.407 292.30 1870.42 0.408 291.81 1871.42 0.408 291.31 1872.42 0.409 290.82 1873.42 0.410 290.33 1874.42 0.410 289.83 1875.42 0.411 289.34 1876.42 0.411 288.86 1877.42 0.411 288.37 1878.42 0.412 287.88 1879.42 0.412 287.39 1880.42 0.412 286.91 1881.42 0.412 286.42 1882.42 0.412 285.94 1883.42 0.412 285.45 1884.42 0.412 284.97 1885.42 0.412 284.48 1886.42 0.412 284.00 1887.42 0.412 283.51 1888.42 0.411 283.02 1889.42 0.411 282.54 1890.42 0.410 282.05 1891.42 0.410 281.56 1892.42 0.409 281.07 1893.42 0.409 280.57 1894.42 0.408 280.08 1895.42 0.407 279.58 1896.42 0.406 279.08 1897.42 0.405 278.58 1898.42 0.404 278.07 1899.42 0.402 277.57 1900.42 0.401 277.05 1901.42 0.400 276.54 1902.42 0.398 276.02 1903.42 0.396 275.50 1904.42 0.395 274.97 1905.42 0.393 274.44 1906.42 0.391 273.90 1907.42 0.389 273.36 1908.42 0.387 272.81 1909.42 0.385 272.26 1910.42 0.382 271.70 1911.42 0.380 271.13 1912.42 0.377 270.55 1913.42 0.374 269.97 1914.42 0.372 269.38 1915.42 0.369 268.78 1916.42 0.366 268.16 1917.42 0.362 267.54 1918.42 0.359 266.91 1919.42 0.356 266.26 1920.42 0.352 265.60 1921.42 0.349 264.93 1922.42 0.345 264.25 1923.42 0.341 263.54 1924.42 0.337 262.83 1925.42 0.333 262.09 1926.42 0.329 261.34 1927.42 0.324 260.56 1928.42 0.320 259.77 1929.42 0.315 258.95 1930.42 0.311 258.11 1931.42 0.306 257.24 1932.42 0.301 256.34 1933.42 0.296 255.42 1934.42 0.291 254.46 1935.42 0.286 253.47 1936.42 0.281 252.44 1937.42 0.275 251.37 1938.42 0.270 250.26 1939.42 0.264 249.10 1940.42 0.259 247.90 1941.42 0.254 246.65 1942.42 0.248 245.33 1943.42 0.242 243.96 1944.42 0.237 242.53 1945.42 0.231 241.02 1946.42 0.226 239.44 1947.42 0.220 237.79 1948.42 0.215 236.04 1949.42 0.209 234.21 1950.42 0.204 232.28 1951.42 0.199 230.25 1952.42 0.194 228.12 1953.42 0.189 225.87 1954.42 0.184 223.51 1955.42 0.180 221.02 1956.42 0.176 218.42 1957.42 0.172 215.68 1958.42 0.168 212.83 1959.42 0.165 209.85 1960.42 0.162 206.76 1961.42 0.159 203.56 1962.42 0.157 200.26 1963.42 0.155 196.88 1964.42 0.154 193.44 1965.42 0.153 189.95 1966.42 0.153 186.43 1967.42 0.153 182.91 1968.42 0.154 179.41 1969.42 0.155 175.95 1970.42 0.157 172.55 1971.42 0.159 169.24 1972.42 0.161 166.01 1973.42 0.164 162.90 1974.42 0.167 159.89 1975.42 0.171 157.01 1976.42 0.175 154.26 1977.42 0.179 151.63 1978.42 0.184 149.13 1979.42 0.189 146.76 1980.42 0.194 144.50 1981.42 0.199 142.36 1982.42 0.204 140.33 1983.42 0.210 138.40 1984.42 0.215 136.58 1985.42 0.221 134.85 1986.42 0.227 133.21 1987.42 0.233 131.65 1988.42 0.239 130.17 1989.42 0.245 128.76 1990.42 0.251 127.42 1991.42 0.257 126.15 1992.42 0.264 124.94 1993.42 0.270 123.78 1994.42 0.276 122.67 1995.42 0.282 121.61 1996.42 0.288 120.60 1997.42 0.295 119.63 1998.42 0.301 118.70 1999.42 0.307 117.80 2000.42 0.313 116.94 2001.42 0.319 116.12 2002.42 0.325 115.32 2003.42 0.331 114.56 2004.42 0.337 113.82 2005.42 0.343 113.11 2006.42 0.349 112.42 2007.42 0.355 111.75 2008.42 0.361 111.11 2009.42 0.366 110.48 2010.42 0.372 109.88 2011.42 0.378 109.29 2012.42 0.383 108.72 2013.42 0.389 108.17 2014.42 0.394 107.63 2015.42 0.400 107.11 2016.42 0.405 106.60 2017.42 0.410 106.10 2018.42 0.415 105.62 2019.42 0.420 105.14 2020.42 0.426 104.68 2021.42 0.431 104.23 2022.42 0.435 103.79 2023.42 0.440 103.36 2024.42 0.445 102.94 2025.42 0.450 102.53 2026.42 0.455 102.13 2027.42 0.459 101.73 2028.42 0.464 101.34 2029.42 0.468 100.96 2030.42 0.473 100.59 2031.42 0.477 100.23 2032.42 0.481 99.87 2033.42 0.486 99.51 2034.42 0.490 99.17 2035.42 0.494 98.83 2036.42 0.498 98.49 2037.42 0.502 98.16 2038.42 0.506 97.84 2039.42 0.510 97.52 2040.42 0.513 97.20 2041.42 0.517 96.89 2042.42 0.521 96.58 2043.42 0.524 96.28 2044.42 0.528 95.98 2045.42 0.531 95.69 2046.42 0.535 95.40 2047.42 0.538 95.11 2048.43 0.542 94.83 2049.43 0.545 94.55 2050.43 0.548 94.28 2051.43 0.551 94.00 2052.43 0.554 93.73 2053.43 0.557 93.47 2054.43 0.560 93.20 2055.43 0.563 92.94 2056.43 0.566 92.68 2057.43 0.569 92.42 2058.43 0.571 92.17 2059.43 0.574 91.92 2060.43 0.577 91.67 2061.43 0.579 91.42 2062.43 0.582 91.18 2063.43 0.584 90.93 2064.43 0.586 90.69 2065.43 0.589 90.46 2066.43 0.591 90.22 2067.43 0.593 89.98 2068.43 0.596 89.75 2069.43 0.598 89.52 2070.43 0.600 89.29 2071.43 0.602 89.06 2072.43 0.604 88.83 2073.43 0.606 88.61 2074.43 0.608 88.38 2075.43 0.609 88.16 2076.43 0.611 87.94 2077.43 0.613 87.72 2078.43 0.615 87.50 2079.43 0.616 87.28 2080.43 0.618 87.07 2081.43 0.619 86.85 2082.43 0.621 86.64 2083.43 0.622 86.42 2084.43 0.624 86.21 2085.43 0.625 86.00 2086.43 0.627 85.79 2087.43 0.628 85.58 2088.43 0.629 85.37 2089.43 0.630 85.16 2090.43 0.631 84.95 2091.43 0.632 84.75 2092.43 0.634 84.54 2093.43 0.635 84.34 2094.43 0.636 84.13 2095.43 0.637 83.93 2096.43 0.637 83.73 2097.43 0.638 83.52 2098.43 0.639 83.32 2099.43 0.640 83.12 2100.43 0.641 82.92 2101.43 0.641 82.72 2102.43 0.642 82.52 2103.43 0.643 82.32 2104.43 0.643 82.12 2105.43 0.644 81.92 2106.43 0.644 81.72 2107.43 0.645 81.52 2108.43 0.645 81.32 2109.43 0.646 81.12 2110.43 0.646 80.93 2111.43 0.646 80.73 2112.43 0.647 80.53 2113.43 0.647 80.33 2114.43 0.647 80.14 2115.43 0.647 79.94 2116.43 0.647 79.74 2117.43 0.647 79.55 2118.43 0.648 79.35 2119.43 0.648 79.15 2120.43 0.648 78.96 2121.43 0.648 78.76 2122.43 0.648 78.56 2123.43 0.647 78.37 2124.43 0.647 78.17 2125.43 0.647 77.97 2126.43 0.647 77.78 2127.43 0.647 77.58 2128.43 0.647 77.38 2129.43 0.646 77.18 2130.43 0.646 76.99 2131.43 0.646 76.79 2132.43 0.645 76.59 2133.43 0.645 76.39 2134.43 0.644 76.19 2135.43 0.644 76.00 2136.43 0.644 75.80 2137.43 0.643 75.60 2138.43 0.642 75.40 2139.43 0.642 75.20 2140.43 0.641 75.00 2141.43 0.641 74.80 2142.43 0.640 74.60 2143.43 0.639 74.39 2144.43 0.639 74.19 2145.43 0.638 73.99 2146.43 0.637 73.79 2147.43 0.636 73.58 2148.43 0.636 73.38 2149.43 0.635 73.18 2150.43 0.634 72.97 2151.43 0.633 72.76 2152.43 0.632 72.56 2153.43 0.631 72.35 2154.43 0.630 72.14 2155.43 0.629 71.94 2156.43 0.628 71.73 2157.43 0.627 71.52 2158.43 0.626 71.31 2159.43 0.625 71.10 2160.43 0.624 70.89 2161.43 0.623 70.67 2162.43 0.622 70.46 2163.43 0.621 70.25 2164.43 0.619 70.03 2165.43 0.618 69.82 2166.43 0.617 69.60 2167.43 0.616 69.38 2168.43 0.614 69.17 2169.43 0.613 68.95 2170.43 0.612 68.73 2171.43 0.610 68.51 2172.43 0.609 68.28 2173.43 0.608 68.06 2174.43 0.606 67.84 2175.43 0.605 67.61 2176.43 0.603 67.39 2177.43 0.602 67.16 2178.43 0.600 66.93 2179.43 0.599 66.70 2180.43 0.597 66.47 2181.43 0.596 66.24 2182.43 0.594 66.01 2183.43 0.593 65.77 2184.43 0.591 65.54 2185.43 0.590 65.30 2186.43 0.588 65.06 2187.43 0.586 64.82 2188.43 0.585 64.58 2189.43 0.583 64.34 2190.43 0.581 64.10 2191.43 0.579 63.85 2192.43 0.578 63.61 2193.43 0.576 63.36 2194.43 0.574 63.11 2195.43 0.573 62.86 2196.43 0.571 62.61 2197.43 0.569 62.35 2198.43 0.567 62.10 2199.43 0.565 61.84 2200.43 0.563 61.58 2201.43 0.562 61.32 2202.43 0.560 61.06 2203.43 0.558 60.79 2204.43 0.556 60.53 2205.43 0.554 60.26 2206.43 0.552 59.99 2207.43 0.550 59.72 2208.43 0.548 59.44 2209.43 0.546 59.17 2210.43 0.544 58.89 2211.43 0.542 58.61 2212.43 0.540 58.33 2213.43 0.538 58.05 2214.43 0.536 57.76 2215.43 0.534 57.47 2216.43 0.532 57.18 2217.43 0.530 56.89 2218.43 0.528 56.60 2219.43 0.526 56.30 2220.43 0.524 56.00 2221.43 0.522 55.70 2222.43 0.520 55.40 2223.43 0.518 55.09 2224.43 0.516 54.78 2225.43 0.514 54.47 2226.43 0.511 54.16 2227.43 0.509 53.84 2228.43 0.507 53.52 2229.43 0.505 53.20 2230.43 0.503 52.87 2231.43 0.501 52.54 2232.43 0.499 52.21 2233.43 0.496 51.88 2234.43 0.494 51.55 2235.43 0.492 51.21 2236.43 0.490 50.86 2237.43 0.488 50.52 2238.43 0.486 50.17 2239.43 0.483 49.82 2240.43 0.481 49.46 2241.43 0.479 49.11 2242.43 0.477 48.75 2243.43 0.475 48.38 2244.43 0.472 48.01 2245.43 0.470 47.64 2246.43 0.468 47.27 2247.43 0.466 46.89 2248.43 0.464 46.51 2249.43 0.461 46.12 2250.43 0.459 45.73 2251.43 0.457 45.34 2252.43 0.455 44.94 2253.43 0.453 44.54 2254.43 0.450 44.14 2255.43 0.448 43.73 2256.43 0.446 43.32 2257.43 0.444 42.90 2258.43 0.442 42.48 2259.43 0.439 42.05 2260.43 0.437 41.62 2261.43 0.435 41.19 2262.43 0.433 40.75 2263.43 0.431 40.31 2264.43 0.429 39.87 2265.43 0.427 39.41 2266.43 0.424 38.96 2267.43 0.422 38.50 2268.43 0.420 38.03 2269.43 0.418 37.56 2270.43 0.416 37.09 2271.43 0.414 36.61 2272.43 0.412 36.13 2273.43 0.410 35.64 2274.43 0.408 35.14 2275.43 0.406 34.65 2276.43 0.404 34.14 2277.43 0.402 33.63 2278.43 0.400 33.12 2279.43 0.398 32.60 2280.43 0.396 32.08 2281.43 0.394 31.55 2282.43 0.392 31.01 2283.43 0.390 30.47 2284.43 0.388 29.93 2285.43 0.386 29.38 2286.43 0.384 28.82 2287.43 0.382 28.26 2288.43 0.380 27.69 2289.43 0.379 27.12 2290.43 0.377 26.54 2291.43 0.375 25.96 2292.43 0.373 25.37 2293.43 0.371 24.77 2294.43 0.370 24.17 2295.43 0.368 23.56 2296.43 0.366 22.95 2297.43 0.365 22.34 2298.43 0.363 21.71 2299.43 0.361 21.08 2300.43 0.360 20.45 2301.43 0.358 19.81 2302.43 0.357 19.17 2303.43 0.355 18.52 2304.43 0.354 17.86 2305.43 0.352 17.20
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:22:55 |